package net.xiduth.io.io.File;

/*
 * Copyright 1998-1999 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/* @test
 @bug 4165666 4203706 4288670 4290024
 @summary Basic heartbeat test for File methods that access the filesystem

 @build Basic
 @run shell basic.sh
 */

import java.io.File;
import java.io.PrintStream;
import java.io.RandomAccessFile;

public class Basic {

	static PrintStream out = System.err;

	static File nonExistantFile = new File("x.Basic.non");
	static File rwFile = new File("x.Basic.rw");
	static File bigFile = new File("x.Basic.big");
	static File roFile = new File("x.Basic.ro");
	static File thisDir = new File(".");
	static File dir = new File("x.Basic.dir");
	static File nonDir = new File("x.Basic.nonDir");

	static void showBoolean(String what, boolean value) {
		out.println("  " + what + ": " + value);
	}

	static void showLong(String what, long value) {
		out.println("  " + what + ": " + value);
	}

	static void show(File f) throws Exception {
		out.println(f + ": ");
		showBoolean("exists", f.exists());
		showBoolean("isFile", f.isFile());
		showBoolean("isDirectory", f.isDirectory());
		showBoolean("canRead", f.canRead());
		showBoolean("canWrite", f.canWrite());
		showLong("lastModified", f.lastModified());
		showLong("length", f.length());
	}

	static void testFile(File f, boolean writeable, long length)
			throws Exception {
		if (!f.exists())
			fail(f, "does not exist");
		if (!f.isFile())
			fail(f, "is not a file");
		if (f.isDirectory())
			fail(f, "is a directory");
		if (!f.canRead())
			fail(f, "is not readable");
		if (f.canWrite() != writeable)
			fail(f, writeable ? "is not writeable" : "is writeable");
		int rwLen = (File.separatorChar == '/' ? 6 : 7);
		if (f.length() != length)
			fail(f, "has wrong length");
	}

	static void fail(File f, String why) throws Exception {
		throw new Exception(f + " " + why);
	}

	public static void main(String[] args) throws Exception {

		show(nonExistantFile);
		if (nonExistantFile.exists())
			fail(nonExistantFile, "exists");

		show(rwFile);
		testFile(rwFile, true, File.separatorChar == '/' ? 6 : 7);
		rwFile.delete();
		if (rwFile.exists())
			fail(rwFile, "could not delete");

		show(roFile);
		testFile(roFile, false, 0);

		show(thisDir);
		if (!thisDir.exists())
			fail(thisDir, "does not exist");
		if (thisDir.isFile())
			fail(thisDir, "is a file");
		if (!thisDir.isDirectory())
			fail(thisDir, "is not a directory");
		if (!thisDir.canRead())
			fail(thisDir, "is readable");
		if (!thisDir.canWrite())
			fail(thisDir, "is writeable");
		String[] fs = thisDir.list();
		if (fs == null)
			fail(thisDir, "list() returned null");
		out.print("  [" + fs.length + "]");
		for (int i = 0; i < fs.length; i++)
			out.print(" " + fs[i]);
		out.println();
		if (fs.length == 0)
			fail(thisDir, "is empty");

		if (!nonExistantFile.createNewFile())
			fail(nonExistantFile, "could not create");
		nonExistantFile.deleteOnExit();

		if (!nonDir.mkdir())
			fail(nonDir, "could not create");

		if (!dir.renameTo(new File("x.Basic.dir2")))
			fail(dir, "failed to rename");

		if (System.getProperty("os.name").equals("SunOS")
				&& System.getProperty("os.version").compareTo("5.6") >= 0) {
			if (bigFile.exists()) {
				bigFile.delete();
				if (bigFile.exists())
					fail(bigFile, "could not delete");
			}
			RandomAccessFile raf = new RandomAccessFile(bigFile, "rw");
			long big = ((long) Integer.MAX_VALUE) * 2;
			try {
				raf.seek(big);
				raf.write('x');
				show(bigFile);
				testFile(bigFile, true, big + 1);
			} finally {
				raf.close();
			}
			bigFile.delete();
			if (bigFile.exists())
				fail(bigFile, "could not delete");
		} else {
			System.err
					.println("NOTE: Large files not supported on this system");
		}

	}

}
